By default, which of the following ports is used for SMTP?
A.
21
B.
25
C.
110
D.
143
which of the following ports is used for SMTP?
By default, which of the following ports is used for SMTP?
By default, which of the following ports is used for SMTP?
By default, which of the following ports is used for SMTP?
A.
21
B.
25
C.
110
D.
143